A stepper motor controller based on PIC24F single chip computer, Bluetooth wireless communication and APP control on mobile phone is introduced. The controller is driven by double H bridge and optocoupler isolation. It has the characteristics of motor parameter detection, no common conduction and compatibility with stepper motor under 24V. Stepping motors are widely used

This paper describes the design of a stepper motor controller based on 51 single chip microprocessor. At the same time, the subdivision driving technology is emphatically studied and the function expression of the reference current waveform of the subdivision driving is established. 　　In the design process, current tracking PWM subdivision drive technology is adopted. A

Aiming at the requirement of accurately simulating the load spectrum under extreme conditions for the fatigue performance evaluation test system of key components of aerocraft, the state information and disturbance information of the system are estimated by designing an auto-disturbance rejection controller (ADRC) in the electric cylinder load system to solve the problem of accurately

Introducing project teaching method into the integrated experiment teaching of microcontroller application can train students’innovative ability, team cooperation ability and ability to solve practical problems by grouping students to complete project tasks. As the main body of teaching activities, students can stimulate students’interest in learning and greatly improve the teaching effect. The integrated experiment of

At present, the application of cam controller has changed from mechanical type to electronic type, and it is more and more popular in mechanical press. The use of electronic cam avoids the defects of traditional mechanical mode. Even for the production of more complex process equipment, electronic cam has obvious advantages with its precise control

With the continuous progress of science and technology and people’s constant pursuit of high-quality life, smart home is more and more popular. In this paper, the intelligent home control system is analyzed and studied, and the intelligent home control system with programmable controller as the core is designed. 　　Intelligent control of indoor household is achieved

In the actual operation process of crane truck, wheel flange and track side will extrude each other, resulting in friction, which is the gnawing phenomenon. During the operation of crane trucks, biting often occurs. The crane mainly uses displacement sensor to measure the deflection of the track. The main control signal is the deflection. The

Programmable controller is also called PLC. PLC is an electronic device specially designed for digital operation in industrial environment. It uses programmable memory to store instructions to perform logical operations, sequential operations, timing, counting and arithmetic operations within it, and to control various types of machinery or production processes through digital or analog inputs and

Through the analysis of the main components of the solar street lamp lighting system, this paper introduces a wind-solar complementary street lamp control system based on single-chip technology, LED as light source and ZigBee wireless sensor network for data transmission. The system transmits by installing ZigBee wireless sensor network in the controller of each street

At present, the research on energy-saving controller of hybrid electric vehicle engine is not perfect in many countries, and the product stability and energy-saving effect are poor.Therefore, an energy-saving controller for hybrid electric vehicle engine is designed, which takes into account both high stability and high energy-saving effect.The X186 single chip microcontroller of the energy-saving